Lepton is a lean code snippet manager powered by GitHub Gist.
Publisher’s description
What is Lepton?
Lepton is an open-source notes & to-do program for Windows from CosmoX. It ranks 25th by popularity among notes & to-do in this catalogue. It is written in JavaScript.
Installation and requirements
Official installers exist for 64-bit and 32-bit as EXE (NSIS). It can be installed for the current user only, without administrator rights. It needs Windows 10 or newer. The installer supports unattended (silent) installation.
Updates and version history
The current version is 2.0.0, released on July 5, 2026. 2 versions are listed since June 18, 2021, each with links to its own installer files. That is about 0.4 releases a year.
Popularity and file types
The Chocolatey package has been downloaded 7,276 times. The source code on GitHub (hackjutsu/Lepton) has 10,343 stars. Similar programs include Obsidian, Logseq and QOwnNotes.
Project description on GitHub: “💻 Democratizing Snippet Management (macOS/Win/Linux)”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Large user base
Cons
- No native ARM64 build
In short: Lepton is an open-source notes & to-do tool for 64-bit and 32-bit PCs. Administrators can deploy it unattended.
Is Lepton safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
3BC42FA412F8D36292EA098DB1F08D9E7D6F8A5C65957926B43EDE187FA59704· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 2 versions ›2 versions over 5 years · about 0.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 2.0.0Latest | July 5, 2026 | — | 64-bit EXE (NSIS)32-bit EXE (NSIS)64-bit EXE (NSIS)32-bit EXE (NSIS) |
| 1.10.0 | June 18, 2021 | — | 64-bit EXE (NSIS)32-bit EXE (NSIS)32-bit EXE (NSIS)64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id CosmoX.Lepton -echoco install lepton -yscoop install extras/leptonLepton-2.0.0-win-x64.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- CosmoX
- Category
- Notes & to-do
- Licence
- MIT
- Price
- Free
- Source code
- github.com/hackjutsu/Lepton
- Written in
- JavaScript
- Requires
- Windows 11 / 10 (Windows 10+)
- Architecture
- 64-bit, 32-bit
- Installer
- EXE (NSIS)
- Version
- 2.0.0
- Released
- July 5, 2026
- Added to the catalogue
- March 11, 2022
- Versions listed
- 2
- Updates / year
- 0.4
- Chocolatey downloads
- 7,276
- GitHub stars
- 10,343
- GitHub forks
- 479
- Website
- hackjutsu.com
- winget ID
- CosmoX.Lepton
- Chocolatey package
- lepton
- Scoop package
- extras/lepton
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Lepton free?
Yes. Lepton is open-source software under the MIT licence.
Is Lepton safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Lepton with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Lepton be installed silently?
Yes. The silent install page lists the exact command for each installer.
Which Windows versions does Lepton support?
The installer requires Windows 10 or newer and is available for 64-bit and 32-bit.
Does Lepton run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit and 32-bit version through emulation.
Where can I download an older version of Lepton?
The versions page lists all 2 versions with links to their official installer files, back to June 18, 2021.
Can I use Lepton without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Lepton?
Obsidian, Logseq, QOwnNotes, Evernote and TagSpaces. The alternatives page compares them.
